Finding the Fourth Proportional to 1,704,578.66, 2,556,203.35 and 639,039.94
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Solution
The fourth proportional to 1,704,578.66, 2,556,203.35 and 639,039.94 is: 958,310.74
Step by Step Solution
- Step 1: Write the proportion equation
1,704,578.66 : 2,556,203.35 = 639,039.94 : x - Step 2: Convert to fraction form
1,704,578.66/2,556,203.35 = 639,039.94/x - Step 3: Cross multiply
1,704,578.66x = 2,556,203.35 × 639,039.94 - Step 4: Simplify right side
1,704,578.66x = 1,633,516,035,411.80 - Step 5: Solve for x
x = 1,633,516,035,411.80/1,704,578.66 - Step 6: Final answer
x = 958,310.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.